Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7152757 | Can and bottle dispenser | Doug Huffer, Gary Petersen, Keith Gausmann, Samuel Joseph Marino, Gary E. Myers +9 more | 2006-12-26 |
| D523904 | Vending machine | Douglas C. Huffer, Gary Petersen, Keith Gausmann, Samuel Joseph Marino, Jay F. Perkins +6 more | 2006-06-27 |
| D509251 | Vending machine | Douglas C. Huffer, Gary Petersen, Keith Gausmann, Samuel Joseph Marino, Michael T. Kopczewski +6 more | 2005-09-06 |
| D503743 | Vending machine and stand | Douglas C. Huffer, Gary Petersen, Keith Gausmann, Samuel Joseph Marino, Michael T. Kopczewski +6 more | 2005-04-05 |